申请人:AGC Inc.
公开号:US20210071004A1
公开(公告)日:2021-03-11
A near-infrared absorbing dye includes a compound represented by formula (A). Each of R
11
to R
14
is independently a hydrogen atom, a halogen atom, a hydroxyl group, or an alkyl, aryl or alaryl group. Each of pairs R
11
and R
12
, R
12
and R
13
, and R
13
and R
14
may combine with one another to form a monocyclic ring or a polycyclic ring in which from 2 to 4 rings are fused. Each of R
15
and R
16
is independently an alkyl or alaryl group. R
15
and R
16
may combine with one another to form a cyclohetero ring having from 5 to 10 members together with the nitrogen atom.
一种近红外吸收染料包括由式(A)表示的化合物。R11至R14中的每一个独立地是氢原子、卤素原子、羟基或烷基、芳基或芳基烷基。R11和R12、R12和R13、以及R13和R14中的每一对可以相互结合形成一个单环或多环,其中有2至4个环融合。R15和R16中的每一个独立地是烷基或芳基烷基。R15和R16可以相互结合形成一个与氮原子一起具有5至10个成员的环杂环。